I try not to write about my own children too much — I don’t want them to feel exploited or exposed. But this is really about me. (It’s always about me.) This morning I dropped off my older son for a band trip. These little rites of passage are stinging me, like a hornets’ nest that’s just starting to awaken and swarm. I know the rush and run to “adulthood” is imminent with this one. The stings are just beginning. Do you have the cash I got for you? Check. Do you have your instrument? Check. Cell phone charger? Yes….